:root {
  --md-primary: #6750A4;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #EADDFF;
  --md-on-primary-container: #21005D;
  --md-secondary: #625B71;
  --md-on-secondary: #FFFFFF;
  --md-secondary-container: #E8DEF8;
  --md-on-secondary-container: #1D192B;
  --md-tertiary: #FF6B6B;
  --md-on-tertiary: #FFFFFF;
  --md-tertiary-container: #FFE5E5;
  --md-on-tertiary-container: #410002;
  --md-background: #FFFBFE;
  --md-surface: #FFFBFE;
  --md-surface-variant: #E7E0EC;
  --md-on-surface: #1C1B1F;
  --md-on-surface-variant: #49454F;
  --md-outline: #79747E;
  --md-outline-variant: #CAC4D0;
  --md-error: #B3261E;
  --md-success: #4CAF50;
  --md-warning: #FF9800;
  --md-info: #2196F3;
  --md-elevation-1: 0 1px 2px rgba(0,0,0,.3), 0 1px 3px 1px rgba(0,0,0,.15);
  --md-elevation-2: 0 1px 2px rgba(0,0,0,.3), 0 2px 6px 2px rgba(0,0,0,.15);
  --md-elevation-3: 0 4px 8px 3px rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.3);
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-xl: 28px;
  --md-shape-full: 9999px;
  --md-motion-standard: cubic-bezier(.2,0,0,1);
  --font-display: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-display);
  background: var(--md-background);
  color: var(--md-on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--md-primary);
  text-decoration: none;
  transition: opacity .2s var(--md-motion-standard);
}

a:hover { opacity: .78; }

a:focus-visible {
  outline: 2px solid var(--md-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

img, svg { display: block; }

ul, ol { list-style: none; }

/* ── Navigation ── */
.md-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,251,254,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--md-outline-variant);
  padding: 0 24px;
}

.md-nav__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.md-nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--md-on-surface);
  font-weight: 600;
  font-size: 1.25rem;
}

.md-nav__brand svg {
  width: 36px;
  height: 36px;
  color: var(--md-primary);
}

.md-nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.md-nav__link {
  padding: 8px 16px;
  border-radius: var(--md-shape-full);
  font-size: .875rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  transition: background .2s var(--md-motion-standard), color .2s var(--md-motion-standard);
}

.md-nav__link:hover {
  background: var(--md-surface-variant);
  color: var(--md-on-surface);
  opacity: 1;
}

.md-lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: var(--md-surface-variant);
  border-radius: var(--md-shape-full);
  margin-left: 8px;
}

.md-lang-switch__btn {
  padding: 6px 14px;
  border: none;
  border-radius: var(--md-shape-full);
  font-size: .8125rem;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  color: var(--md-on-surface-variant);
  transition: background .2s var(--md-motion-standard), color .2s var(--md-motion-standard);
}

.md-lang-switch__btn--active {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.md-lang-switch__btn:hover:not(.md-lang-switch__btn--active) {
  background: var(--md-outline-variant);
}

/* ── Hero ── */
.md-hero {
  position: relative;
  overflow: hidden;
  padding: 80px 24px 96px;
  text-align: center;
}

.md-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--md-primary-container), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, var(--md-tertiary-container), transparent);
  opacity: .6;
  pointer-events: none;
}

.md-hero__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.md-hero__icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  color: var(--md-primary);
}

.md-hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--md-on-surface);
  margin-bottom: 16px;
}

.md-hero__title span {
  color: var(--md-primary);
}

.md-hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--md-on-surface-variant);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.md-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--md-shape-full);
  box-shadow: var(--md-elevation-1);
  transition: box-shadow .28s var(--md-motion-standard), transform .1s var(--md-motion-standard);
}

.md-hero__cta:hover {
  box-shadow: var(--md-elevation-2);
  transform: translateY(-1px);
  opacity: 1;
  color: var(--md-on-primary);
}

.md-hero__cta svg {
  width: 20px;
  height: 20px;
}

/* ── Section ── */
.md-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 80px 24px;
}

.md-section__header {
  text-align: center;
  margin-bottom: 48px;
}

.md-section__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 12px;
}

.md-section__title span {
  color: var(--md-primary);
}

.md-section__desc {
  font-size: 1rem;
  color: var(--md-on-surface-variant);
  max-width: 480px;
  margin: 0 auto;
}

/* ── Feature Cards ── */
.md-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.md-feature-card {
  padding: 28px 24px;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-lg);
  transition: box-shadow .28s var(--md-motion-standard), transform .28s var(--md-motion-standard);
}

.md-feature-card:hover {
  box-shadow: var(--md-elevation-2);
  transform: translateY(-2px);
}

.md-feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--md-shape-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.md-feature-card__icon svg {
  width: 24px;
  height: 24px;
}

.md-feature-card__icon--primary {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.md-feature-card__icon--secondary {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.md-feature-card__icon--tertiary {
  background: var(--md-tertiary-container);
  color: var(--md-on-tertiary-container);
}

.md-feature-card__icon--info {
  background: #E3F2FD;
  color: #1565C0;
}

.md-feature-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.md-feature-card__text {
  font-size: .875rem;
  color: var(--md-on-surface-variant);
  line-height: 1.6;
}

/* ── Steps ── */
.md-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  position: relative;
}

.md-step {
  text-align: center;
  padding: 32px 24px;
}

.md-step__number {
  width: 56px;
  height: 56px;
  border-radius: var(--md-shape-full);
  background: var(--md-primary-container);
  color: var(--md-primary);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.md-step__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.md-step__text {
  font-size: .875rem;
  color: var(--md-on-surface-variant);
  line-height: 1.6;
}

/* ── CTA Section ── */
.md-cta-section {
  text-align: center;
  padding: 80px 24px;
  background: var(--md-primary-container);
  position: relative;
  overflow: hidden;
}

.md-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 100% 0%, var(--md-secondary-container), transparent);
  opacity: .5;
  pointer-events: none;
}

.md-cta-section__inner {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}

.md-cta-section__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--md-on-primary-container);
}

.md-cta-section__text {
  font-size: 1rem;
  color: var(--md-on-primary-container);
  opacity: .8;
  margin-bottom: 32px;
}

/* ── Footer ── */
.md-footer {
  background: var(--md-on-surface);
  color: rgba(255,255,255,.7);
  padding: 48px 24px 32px;
}

.md-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.md-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.md-footer__brand svg {
  width: 28px;
  height: 28px;
  color: var(--md-primary-container);
}

.md-footer__desc {
  font-size: .8125rem;
  line-height: 1.6;
  opacity: .7;
}

.md-footer__heading {
  font-size: .875rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.md-footer__link {
  display: block;
  padding: 4px 0;
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  transition: color .2s var(--md-motion-standard);
}

.md-footer__link:hover {
  color: #fff;
  opacity: 1;
}

.md-footer__bottom {
  max-width: 1120px;
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: .8125rem;
  opacity: .5;
}

/* ── Support / Legal Page ── */
.md-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.md-page__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 32px;
}

.md-page h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--md-on-surface);
}

.md-page h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--md-on-surface);
}

.md-page p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--md-on-surface-variant);
}

.md-page ul {
  margin: 0 0 16px;
  padding-left: 24px;
  list-style: disc;
}

.md-page li {
  margin-bottom: 8px;
  line-height: 1.7;
  color: var(--md-on-surface-variant);
}

.md-page a {
  color: var(--md-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── FAQ ── */
.md-faq-item {
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.md-faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border: none;
  background: var(--md-surface);
  font-size: .9375rem;
  font-weight: 500;
  text-align: left;
  color: var(--md-on-surface);
  cursor: pointer;
  transition: background .2s var(--md-motion-standard);
  font-family: inherit;
}

.md-faq-item__question:hover {
  background: var(--md-surface-variant);
}

.md-faq-item__question svg {
  width: 20px;
  height: 20px;
  color: var(--md-on-surface-variant);
  flex-shrink: 0;
  transition: transform .3s var(--md-motion-standard);
}

.md-faq-item[open] .md-faq-item__question svg {
  transform: rotate(180deg);
}

.md-faq-item__answer {
  padding: 0 20px 16px;
  font-size: .875rem;
  color: var(--md-on-surface-variant);
  line-height: 1.7;
}

/* ── Badge / Chip ── */
.md-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--md-shape-full);
  font-size: .75rem;
  font-weight: 500;
  border: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface-variant);
  background: var(--md-surface);
}

.md-chip--primary {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: transparent;
}

.md-chip--tertiary {
  background: var(--md-tertiary-container);
  color: var(--md-on-tertiary-container);
  border-color: transparent;
}

/* ── Contact Card ── */
.md-contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-lg);
  margin-top: 32px;
}

.md-contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--md-shape-full);
  background: var(--md-primary-container);
  color: var(--md-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.md-contact-card__icon svg {
  width: 24px;
  height: 24px;
}

.md-contact-card__label {
  font-size: .8125rem;
  color: var(--md-on-surface-variant);
}

.md-contact-card__value {
  font-weight: 600;
  font-size: .9375rem;
  color: var(--md-on-surface);
}

.md-contact-card__value a {
  color: var(--md-primary);
}

/* ── Coming Soon ── */
.md-coming-soon {
  text-align: center;
  padding: 48px 24px;
  color: var(--md-on-surface-variant);
}

.md-coming-soon__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--md-outline);
}

.md-coming-soon__text {
  font-size: 1.125rem;
  font-weight: 500;
}

/* ── Utilities ── */
.md-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .md-nav__inner { height: 56px; }
  .md-nav__link { padding: 6px 10px; font-size: .8125rem; }
  .md-hero { padding: 56px 20px 72px; }
  .md-hero__icon { width: 72px; height: 72px; }
  .md-section { padding: 56px 20px; }
  .md-features { gap: 16px; }
  .md-feature-card { padding: 20px; }
  .md-steps { gap: 24px; }
  .md-step { padding: 24px 16px; }
  .md-cta-section { padding: 56px 20px; }
  .md-footer__inner { grid-template-columns: 1fr; }
  .md-page { padding: 32px 20px 64px; }
  .md-page__title { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .md-nav__links { gap: 2px; }
  .md-lang-switch { margin-left: 4px; }
  .md-lang-switch__btn { padding: 5px 10px; font-size: .75rem; }
  .md-hero__cta { padding: 14px 24px; font-size: .9375rem; }
  .md-features { grid-template-columns: 1fr; }
}